package ffff;

public class Ac5 {
    public static void main(String[] args) {
        String s1 = "String";
        String s2 = "Str";
        System.out.println("判断是否以字符串Str开头:"+
                s1.startsWith("Str"));
        System.out.println("判断是否以字符串ng结尾:"+s1.endsWith("ng"));
        System.out.println("判断是否包含字符串tri:"+s1.contains("tri"));
        System.out.println("判断字符串是否为空:"+s1.isEmpty());
        System.out.println("判断两个字符串是否相等："+s1.equals(s2));
    }
}